CN112484598B - Detection tool for detecting center distance of holes at two ends of connecting rod - Google Patents
Detection tool for detecting center distance of holes at two ends of connecting rod Download PDFInfo
- Publication number
- CN112484598B CN112484598B CN202011454970.0A CN202011454970A CN112484598B CN 112484598 B CN112484598 B CN 112484598B CN 202011454970 A CN202011454970 A CN 202011454970A CN 112484598 B CN112484598 B CN 112484598B
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- connecting rod
- detection
- supporting
- column
- jiance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
- G01B5/143—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures between holes on a workpiece
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a detection tool for detecting the center distance of holes at two ends of a connecting rod, which comprises a bottom plate, wherein a large-end Kong Jiance column supporting seat of the connecting rod and a group of vertical guide columns are arranged on the bottom plate, a top plate is arranged at the top of each vertical guide column, a detection supporting pressing plate capable of moving up and down is arranged on each vertical guide column, a pressure spring is sleeved on each guide column between the top plate and the detection supporting pressing plate, a jacking cylinder is arranged on the bottom plate, the upper end of a piston rod of each jacking cylinder is connected with the detection supporting pressing plate, and a dial indicator is arranged on each detection supporting pressing plate corresponding to the corresponding supporting seat. The checking fixture for detecting the center distance between the holes at the two ends of the connecting rod is reasonable in structural design, the detection column is inserted into the big end hole of the connecting rod and the small end hole of the connecting rod, the dial indicator arranged on the detection supporting pressure plate can be used for quickly detecting, the detection operation is simple and convenient, and the detection efficiency is improved.
Description
Technical Field
The invention relates to the technical field of detection of engine connecting rods, in particular to a detection tool for detecting the center distance of holes at two ends of a connecting rod.
Background
The connecting rod of the automobile engine is a main part for transmitting power in the engine, two ends of a connecting rod body are respectively a big end and a small end, the big end of the connecting rod is provided with a big end hole of the connecting rod, the small end of the connecting rod is provided with a small end hole of the connecting rod, and the small end of the connecting rod is connected with a corresponding part through the end hole of the connecting rod; the center distance between a big head hole and a small head hole in the connecting rod body is a very important parameter, and detection is needed before delivery; the existing checking fixture is complex in structure and complex in center distance detection operation.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a detection tool for detecting the center distance of holes at two ends of a connecting rod so as to achieve the purpose of simple and convenient detection of the center distance of the holes at two ends of the connecting rod.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the checking fixture for detecting the center distance between the holes in the two ends of the connecting rod comprises a bottom plate, wherein a large-end Kong Jiance column supporting seat of the connecting rod and a group of vertical guide pillars are arranged on the bottom plate, a top plate is arranged at the top of each vertical guide pillar, a detection supporting pressing plate capable of moving up and down is arranged on each vertical guide pillar, a pressure spring is sleeved on each guide pillar between each top plate and the corresponding detection supporting pressing plate, a jacking cylinder is arranged on the bottom plate, the upper end of a piston rod of each jacking cylinder is connected with the corresponding detection supporting pressing plate, and a dial indicator is arranged on each detection supporting pressing plate corresponding to the corresponding supporting seat.
Furthermore, a set of vertical guide pillars is four vertical guide pillars that set up side by side vertically, and it is rectangular board to detect the supporting pressure plate, and vertical guide pillar corresponds the turning setting that detects the supporting pressure plate.
The jacking cylinder is arranged between the group of vertical guide posts.
One side of the detection supporting pressure plate extends towards the supporting seat side to form an extending part, and the dial indicator is arranged on the extending part.
The connecting rod big end Kong Jiance column supporting seat is provided with a V-shaped supporting groove.
The two connecting rod big end Kong Jiance column supporting seats are arranged side by side, and a space for avoiding the end part of the connecting rod is arranged between the two connecting rod big end hole detection column supporting seats.
One of the two connecting rod big-end hole detection column supporting seats is a fixed seat, the other movable seat is provided with a driving cylinder corresponding to the movable seat on the bottom plate.
And the opposite sides of the two connecting rod big ends Kong Jiance column supporting seats are respectively provided with a positioning clamping groove used for clamping the side surface of the connecting rod.
Compared with the prior art, the invention has the following advantages:
the checking fixture for detecting the center distance between the holes at the two ends of the connecting rod is reasonable in structural design, the detection column is inserted into the big end hole of the connecting rod and the small end hole of the connecting rod, the dial indicator arranged on the detection supporting pressure plate can be used for quickly detecting, the detection operation is simple and convenient, and the detection efficiency is improved.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic view of a gauge of the present invention.
FIG. 2 is a schematic view of a connecting rod big end hole detecting column support seat of the present invention.
In the figure:
1. the device comprises a bottom plate, 2 connecting rod big-end hole detection column supporting seats, 201.V-shaped supporting grooves, 202 positioning clamping grooves, 3 vertical guide columns, 4 detection supporting pressing plates, 5 dial indicators, 6 compression springs, 7 top plates and 8 jacking cylinders.
Detailed Description
The following description of the embodiments of the present invention will explain the present invention in further detail by referring to the accompanying drawings.
As shown in figures 1 and 2, the checking fixture for detecting the center distance between the holes at the two ends of the connecting rod comprises a bottom plate 1, a connecting rod big-head hole detecting column supporting seat 2 and a group of vertical guide columns 3 are arranged on the bottom plate, a top plate 7 is arranged at the tops of the vertical guide columns, a detecting supporting pressing plate 4 capable of moving up and down is arranged on the vertical guide columns, a pressure spring 6 is sleeved on the guide columns between the top plate and the detecting supporting pressing plate, a jacking cylinder 8 is arranged on the bottom plate, the upper end of a piston rod of the jacking cylinder is connected with the detecting supporting pressing plate, and the detecting supporting pressing plate is provided with a dial indicator 5 corresponding to the supporting seat.
The group of vertical guide pillars is four vertical guide pillars which are vertically arranged side by side, the detection supporting pressing plate is a rectangular plate, and the vertical guide pillars are arranged corresponding to the corners of the detection supporting pressing plate; the jacking cylinder is arranged between the group of vertical guide posts. The structure is compact.
One side of the detection supporting pressure plate 4 extends towards the side of the supporting seat to form a protruding part, and the dial indicator is arranged on the protruding part. The connecting rod big end Kong Jiance column supporting seat is provided with a V-shaped supporting groove 201 which can support detection columns with various dimensions. .
During detection, the corresponding detection columns are inserted into holes at two ends of the connecting rod, a connecting rod big end Kong Jiance column is inserted into a connecting rod big end hole, and a connecting rod small end Kong Jiance column is inserted into a connecting rod small end hole; the jacking cylinder jacks up the detection supporting pressure plate, the space between the extension part of the detection supporting pressure plate and the supporting seat is enlarged, the large end Kong Jiance column of the connecting rod is placed in the supporting seat, the connecting rod is in a vertical state, the jacking cylinder does not work, the detection supporting pressure plate is pressed on the small end of the connecting rod through a pressure spring to be positioned, and the small end Kong Jiance column of the connecting rod inserted into the small end hole of the connecting rod is measured through a dial indicator on the extension part; the shortest distance between the inner edges of the two holes of the connecting rod can be quickly measured by a caliper; therefore, the center distance between the holes at the two ends of the connecting rod can be rapidly measured and calculated.
The two connecting rod big end Kong Jiance column supporting seats are arranged side by side, and a space for avoiding the end part of the connecting rod is arranged between the two connecting rod big end hole detection column supporting seats.
Furthermore, one of the two connecting rod large-end hole detection column supporting seats is a fixed seat, the other one is a movable seat, and a driving cylinder is arranged on the bottom plate corresponding to the movable seat; and the opposite sides of the two connecting rod big ends Kong Jiance column supporting seats are respectively provided with a positioning clamping groove 202 for clamping the side surface protrusion of the connecting rod. The connecting rod big end Kong Jiance column is placed in the V-shaped supporting groove, the lower end of the connecting rod can be quickly positioned through the two supporting seats, the connecting rod is guaranteed to be in a vertical state, and detection data are accurate.
The checking fixture for detecting the center distance of the holes at the two ends of the connecting rod has reasonable structural design, the detection columns are inserted into the large end hole and the small end hole of the connecting rod, the dial indicator arranged on the detection supporting pressure plate can be used for quickly detecting, the detection operation is simple and convenient, and the detection efficiency is improved.
The above-mentioned features are merely for describing preferred embodiments of the present invention and may be arbitrarily combined to form a plurality of embodiments of the present invention.
The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (2)
1. The utility model provides an examine utensil for detecting connecting rod both ends hole centre-to-centre spacing, includes the bottom plate, its characterized in that: the bottom plate is provided with a connecting rod big end Kong Jiance column supporting seat and a group of vertical guide columns, the tops of the vertical guide columns are provided with top plates, the vertical guide columns are provided with detection supporting pressing plates capable of moving up and down, a pressure spring is sleeved on the guide columns between the top plates and the detection supporting pressing plates, the bottom plate is provided with a jacking cylinder, the upper end of a piston rod of the jacking cylinder is connected with the detection supporting pressing plates, and the detection supporting pressing plates are provided with dial indicators corresponding to the supporting seats;
a V-shaped supporting groove is formed in the connecting rod big end Kong Jiance column supporting seat; the two connecting rod big end Kong Jiance column supporting seats are arranged side by side, and a space for avoiding the end part of the connecting rod is arranged between the two connecting rod big end hole detection column supporting seats; one of the two connecting rod big-end hole detection column supporting seats is a fixed seat, the other one is a movable seat, and a driving cylinder is arranged on the bottom plate corresponding to the movable seat; the opposite sides of the two connecting rod big ends Kong Jiance column supporting seats are respectively provided with a positioning clamping groove used for being clamped on the side surface of the connecting rod to protrude;
the group of vertical guide pillars is four vertical guide pillars which are vertically arranged side by side, the detection supporting pressing plate is a rectangular plate, and the vertical guide pillars are arranged corresponding to corners of the detection supporting pressing plate; one side of the detection supporting pressure plate extends towards the supporting seat to form an extending part, and the dial indicator is arranged on the extending part;
when the detection tool is used for detection, the corresponding detection columns are inserted into holes at two ends of the connecting rod, a connecting rod big end Kong Jiance column is inserted into a connecting rod big end hole, and a connecting rod small end Kong Jiance column is inserted into a connecting rod small end hole; the jacking cylinder jacks up the detection supporting pressure plate, the space between the extension part of the detection supporting pressure plate and the supporting seat is enlarged, the large end Kong Jiance column of the connecting rod is placed in the supporting seat, the connecting rod is in a vertical state, the jacking cylinder does not work, the detection supporting pressure plate is pressed on the small end of the connecting rod through a pressure spring to be positioned, and the small end Kong Jiance column of the connecting rod inserted into the small end hole of the connecting rod is measured through a dial indicator on the extension part; the shortest distance between the inner edges of the two holes of the connecting rod can be quickly measured by a caliper; the center distance between the holes at the two ends of the connecting rod can be rapidly measured and calculated.
2. The inspection device for detecting the center distance between the two end holes of the connecting rod as claimed in claim 1, wherein: the jacking cylinder is arranged between the group of vertical guide posts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011454970.0A CN112484598B (en) | 2020-12-10 | 2020-12-10 | Detection tool for detecting center distance of holes at two ends of connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011454970.0A CN112484598B (en) | 2020-12-10 | 2020-12-10 | Detection tool for detecting center distance of holes at two ends of connecting rod |
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| Publication Number | Publication Date |
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| CN112484598A CN112484598A (en) | 2021-03-12 |
| CN112484598B true CN112484598B (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011454970.0A Active CN112484598B (en) | 2020-12-10 | 2020-12-10 | Detection tool for detecting center distance of holes at two ends of connecting rod |
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| CN (1) | CN112484598B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2148786C1 (en) * | 1995-06-06 | 2000-05-10 | Борис Иосифович Синельников | Gear testing axial distance, lack of parallelism and crossing of axes of holes in connecting rod of engine |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201497634U (en) * | 2009-05-25 | 2010-06-02 | 浙江吉利汽车研究院有限公司 | Engine connecting rod parallelism and torsion resistance universal tester |
| CN201503256U (en) * | 2009-09-25 | 2010-06-09 | 承德苏垦银河连杆股份有限公司 | Special test tool measuring parallelism of large head hole and small head hole of connecting rod |
| CN201895206U (en) * | 2010-10-26 | 2011-07-13 | 合肥华信电动科技发展有限公司 | Pneumatic pressing machine |
| CN102175208B (en) * | 2011-01-29 | 2012-07-25 | 中国民用航空飞行学院 | Device for measuring parallel degree, distortion degree and center distance of large and small head holes of connecting rod of piston engine |
| CN202131221U (en) * | 2011-05-19 | 2012-02-01 | 杭州临安景亮照明电器有限公司 | Hold-down mechanism of solid glass rod cutting machine |
| CN104440289A (en) * | 2013-09-12 | 2015-03-25 | 西安志越机电科技有限公司 | Single-station connecting rod hole milling and pressing device |
| CN203679871U (en) * | 2013-09-12 | 2014-07-02 | 西安志越机电科技有限公司 | Hydraulic system of single-station connecting-rod hole milling compression device |
| CN104019728B (en) * | 2014-05-30 | 2016-08-31 | 福州钜立机动车配件有限公司 | A kind of connecting rod big aperture depth of parallelism and the comprehensive check tool of centre-to-centre spacing |
| CN104227548B (en) * | 2014-09-04 | 2017-06-20 | 上海马力索精密机械有限公司 | A kind of link lever tooth surface abrasion grinding maintenance unit |
| CN204666083U (en) * | 2015-06-12 | 2015-09-23 | 盛瑞传动股份有限公司 | A kind of link parallelism and centre distance test tool |
| CN205785010U (en) * | 2016-05-26 | 2016-12-07 | 四川飞亚汽车零部件有限公司 | A kind of comprehensive check tool of engine link |
| CN105928446B (en) * | 2016-06-14 | 2018-08-31 | 广西玉柴机器股份有限公司 | The parallelism detection equipment and parallelism detection method of connecting rod |
| CN208087478U (en) * | 2018-03-09 | 2018-11-13 | 重庆市益容玻璃制品有限公司 | A kind of tubular glass fixture |
| CN208313196U (en) * | 2018-05-04 | 2019-01-01 | 重庆美心翼申机械股份有限公司 | Crank bore and small stomidium checking fixture for parallelism |
| CN211332854U (en) * | 2019-11-21 | 2020-08-25 | 江苏东方赛云电子科技有限公司 | Quick clamping calibration structure of machine vision measuring instrument |
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2020
- 2020-12-10 CN CN202011454970.0A patent/CN112484598B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2148786C1 (en) * | 1995-06-06 | 2000-05-10 | Борис Иосифович Синельников | Gear testing axial distance, lack of parallelism and crossing of axes of holes in connecting rod of engine |
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| CN112484598A (en) | 2021-03-12 |
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